Exiled from Norway, Harald Sigurdsson, brother to murdered King Olaf, must battle mercilessly for survival in the lands of the Kievan Rus. His brother’s legacy gifts him a warband of hardened warriors and entry to the court of Prince Yaroslav the Wise. By his wits, sword and skill in battle, Harald must learn not just to survive but to triumph. He fights for glory, for fame, and to regain his family’s battle-stolen throne. But his greatest challenge may not come from battlefield foes but from those who stand by his side.

989 AD. Alfred the Great’s dream of a united England has been forged by his daughter Aethelfaed and grandson, King Aethelstan. The Vikings have been expelled from York following the death of Erik Bloodaxe, and for two generations there has been peace between Saxon and Dane. A new Viking warlord Olaf Tryggvason seeks revenge for Bloodaxe's death and the slaughter that followed, and has set his sights on a fresh assault on England’s shores. With Skarde Wartooth they set sail for Saxon lands, hungry for glory, conquest and vengeance.

Alternate history—1116 AD. Three hundred years of cruel Viking raids have finally united Christian Europe against the pagan Northlands. A great crusade has been called to pacify the wild Norse kingdoms. The banner of the cross has been raised against the North, and all the power and fury of the West rides under it. Ordulf, a talented young German swordsmith, is ripped from his comfortable life and cast into the bloody chaos of the crusade. As fate deals him a cruel blow in the lands of his enemies, he will have to forge a new path through the chaos or be consumed by it.

AD 916. In the Orkney Isles, a young woman flees her home to save the life of her unborn child. Eighteen years later, a witch foretells that evil from her past is reaching out again to threaten her son. Outlawed from his home in Iceland, Einar Unnsson is thrown on the mercy of his Uncle, the infamous Jarl Thorfinn 'Skull Cleaver' of Orkney. He joins forces with a Norse-Irish princess and a company of wolfskin-clad warriors to become a player in a deadly game for control of the Irish sea.

Beobrand is compelled by his brother's almost-certain murder to embark on a quest for revenge in the war-ravaged kingdoms of Northumbria. The land is rife with danger, as warlords vie for supremacy and dominion. In the battles for control of the region, new oaths are made and broken, and loyalties are tested to the limits. With no patronage and no experience, Beobrand must form his own allegiances and learn to fight with sword and shield. Relentless in pursuit of his enemies, he faces challenges which transform him from a boy to a man.